MO AMERICAN IRONTON
Missouri — Community Water System — PWSID: MO4010402
System Information
| PWSID | MO4010402 |
| System Name | MO AMERICAN IRONTON |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 7, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | CHESTERFIELD |
| ZIP Code | 63017-0000 |
| Address | 901 HOG HOLLOW RD |
| Organization | LANE, SHELLEY |
| Phone | 314-548-0199 |
Population & Service
| Population Served | 1,460 |
| Service Connections | 695 |
Drinking Water Violations (67)
This water system has 67 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 95.43 UG/L | 0.080 mg/L | 80 | Archived | Dec 31, 2025 | — | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 95.43 UG/L | 0.080 mg/L | 80 | Archived | Dec 31, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 84.53 UG/L | 0.080 mg/L | 80 | Archived | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 84.53 UG/L | 0.080 mg/L | 80 | Archived | Sep 30, 2025 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 82 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 82 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 82 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 82 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 83.2 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 83.2 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 83.2 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 83.2 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 61.45 UG/L | 0.060 mg/L | 60 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 61.45 UG/L | 0.060 mg/L | 60 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 61.45 UG/L | 0.060 mg/L | 60 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 61.45 UG/L | 0.060 mg/L | 60 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 88.25 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 88.25 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 88.25 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 88.25 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2024 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 85.88 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 85.88 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 85.88 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 85.88 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2023 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | 88 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | 88 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | 88 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | 88 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 81 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 81 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 81 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 81 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2022 | — | |
| Feb 1, 2022 | — | TT | Yes | No | — | — | — | Resolved | Dec 11, 2023 | — | |
| Feb 1, 2022 | — | TT | Yes | No | — | — | — | Resolved | Dec 11, 2023 | — | |
| Feb 1, 2022 | — | TT | Yes | No | — | — | — | Resolved | Dec 11, 2023 | — | |
| Feb 1, 2022 | — | TT | Yes | No | — | — | — | Resolved | Dec 11, 2023 | — | |
| Feb 1, 2022 | — | TT | Yes | No | — | — | — | Resolved | Dec 11, 2023 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 87 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 87 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 87 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 87 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2016 | — | |
| May 1, 2007 | May 31, 2007 | MR | No | Yes | — | — | — | Archived | May 31, 2007 | — | |
| May 1, 2007 | May 31, 2007 | MR | No | Yes | — | — | — | Archived | May 31, 2007 | — | |
| Apr 1, 2007 | Apr 30, 2007 | MR | No | Yes | — | — | — | Archived | Apr 30, 2007 | — | |
| Apr 1, 2007 | Apr 30, 2007 | MR | No | Yes | — | — | — | Archived | Apr 30, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | Yes | — | — | — | Archived | Mar 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | Yes | — | — | — | Archived | Mar 31, 2007 | — | |
| Feb 1, 2007 | Feb 28, 2007 | MR | No | Yes | — | — | — | Archived | Feb 28, 2007 | — | |
| Feb 1, 2007 | Feb 28, 2007 | MR | No | Yes | — | — | — | Archived | Feb 28, 2007 | — | |
| Feb 1, 2007 | Feb 28, 2007 | MR | No | Yes | — | — | — | Archived | Feb 28, 2007 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.